<div class="layui-header layui-bg-green">
  <div class="layui-logo"><a href="{:url('@admin')}">公益未来后台管理系统</a></div>
  <ul class="layui-nav layui-layout-right">
    <li class="layui-nav-item">
      <form action="{:url('@admin/logout')}" method="post">
        <input class="layui-btn" type="submit" value="退出">
      </form>
    </li>
  </ul>
</div>